1. Material: aluminum alloy
2. The whole body is made of aluminum alloy, which is sturdy and durable, and has strong bearing capacity
3. Adopt 5 degree inclination design, more comfortable to use
4. The back cover design prevents the computer or speaker from slipping off
5. With non-slip feet at the bottom, it is stable and not easy to slide
6. Dimensions: single layer: 18 x 14 x 13 cm, double layer: 18 x 15 x 24.5 cm
7. Weight: single layer: 1226g, double layer: 2202g